SUPER DENSITY DISC

optical discs for recording and reproducing of sound, image, computer games, computer programs and map information; prerecorded optical discs of sound, image, computer games, computer programs and map information; optical disc players; optical disc recorders; optical disc players and recorders for navigation system; color television sets with optical disc players and recorders; computers with optical disc players and recorders; computer game players with optical disc players and recorders; recording, reproducing and searching machines with optical disc players and recorders for electronic document filing